{"id":"001251301","type":"book","title":"Chan Krum i basileos Nikefor I w świetle Peri Nikephóroutou Basiléus kai pos aphíesin ta kola en Boulgaría. (Khan Krum and basileus Nicephorus I in the light of Peri Nikephóroutou Basiléus kai pos aphíesin ta kola en Boulgaría)","publisher-place":"Pozna","pages":"35-43","container-title":"Slavia Antiqua, 43 (2002","author":[{"family":"Leszka","given":"Mirosław J."}],"issued":{"raw":"2002"}}